February 29, 2008 14 May 2018 Subject : Management discussion and analysis of financial statement for three-month period ended 31 March 2018 Attention : Director and Manager The Stock Exchange of

Stock Exchange of Thailand For the Q2/2018 period ended of June 30, 2018 (6 months) operating result of the company net loss Baht 6.02 Million comparison with the previous Q2/2017’s net loss of Baht 9.08

Manager of the Stock Exchange of Thailand For the Q2/2018 period ended of June 30, 2018 (3 months) operating result of the company net loss Baht 4.32 Million comparison with the previous Q2/2017’s net loss

จดหมายชี้แจงq261e August 14, 2018 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 June 2018 Summary on Second Quarter

Manager The Stock Exchange of Thailand The operating performance for three-month period end 30 June 2018 of Mahachai Hospital Public Company Limited compared to the prior year was decreasing in net profit

จดหมายชี้แจงq361e November 12, 2018 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 September 2018 Summary on Third Quarter

results for Quarter 3/2018 To : Director and Manager of The Stock Exchange of Thailand Union Petrochemical Public Company Limited and its subsidiaries would like to describe and analyze the financial

of the Stock Exchange of Thailand Copy to: The Secretary The Security and Exchange Commission JCK Hospitality Public Company Limited (“Company”) would like to report the consolidated operating

Stock Exchange of Thailand Copy to: The Secretary The Security and Exchange Commission JCK Hospitality Public Company Limited (“Company”) would like to report the consolidated operating performance

หนา้ 1 จาก 1 Translation May 13, 2020 Subject: Management explanation and analysis for Year ended 31 March 2020 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public Company